www.vishay.com 9 xt49s vishay dale document number 35014 revision 18-dec-01 for technical questions, contact frequency@vishay .com features low profile. hermetically sealed. tape and reel option. standard specifications operating temperature range: 0 c to + 70 c. (- 40 c to + 85 c optional). frequency range: 3.579mhz to 66.0mhz. frequency tolerance: 50ppm @ + 25 c 3 c (typical). temperature stability: 50ppm (typical). storage temperature: - 40 c to 85 c. mode of vibration: ?t?fundamental, or ?t?3rd overtone. load: 10 to 32pf or series resonant. drive level: 1mw maximum. shunt capacitance: 7pf maximum. seal: resistance weld. quartz crystals low profile 3.579mhz to 66.0mhz standard electrical specifications dimensions in inches [millimeters] ordering information xt49s model 12m frequency/mh z 0.435 [11.05] max. 0.192 0.008 [4.88 0.2] 0.520 [13.2] 0.018 + 0.002 - 0.001 [0.45 + 0.05 - 0.03] 0.138 [3.5] max. 0.183 [4.65] max. - 20 load blank = series - 16 = 16pf - 20 = 20pf standard - 30 = 30pf - 32 = 32pf sp options blank = standard sp = spacer ct = cut leads sl = sleeve frequency mode of esr max. range (mhz) vibration (ohms) 3.579 - 3.999 ?t?fundamental 150 4.0 - 4.499 ?t?fundamental 150 4.5 - 4.999 ?t?fundamental 120 5.0 - 5.999 ?t?fundamental 120 6.0 - 6.999 ?t?fundamental 100 7.0 - 7.999 `?t?fundamental 90 8.0 - 8.999 ?t?fundamental 80 9.0 - 9.999 ?t?fundamental 60 10.0 - 12.999 ?t?fundamental 50 13.0 - 19.999 ?t?fundamental 40 20.0 - 30.0 ?t?fundamental 40 30.001 - 66.0 ?t?3rd overtone 80 blank = standard r = - 40 c to + 85 c r otr
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